/**
     * Creates data provider instance with search query applied
     *
     * @param array $params
     *
     * @return ActiveDataProvider
     */
    public function search($params)
    {
        $query = Specialists2::find();

        $dataProvider = new ActiveDataProvider([
            'query' => $query,
        ]);

        $this->load($params);

        if (!$this->validate()) {
            // uncomment the following line if you do not want to return any records when validation fails
            // $query->where('0=1');
            return $dataProvider;
        }

        $query->andFilterWhere([
            'id' => $this->id,
            'factor' => $this->factor,
            'factor_code' => $this->factor_code,
            'optional' => $this->optional,
        ]);

        $query->andFilterWhere(['ilike', 'name', $this->name]);

        return $dataProvider;
    }
 protected static function addSpecialists($specialists_arr, $factor, $factor_group)
 {
     if ($factor_group == 1) {
         $specialists = Specialists1::find()->where(['factor' => $factor])->andWhere("name not like '%*%'")->all();
     } else {
         $specialists = Specialists2::find()->where(['factor' => $factor])->andWhere("name not like '%*%'")->all();
     }
     if ($specialists) {
         foreach ($specialists as $specialist) {
             $specialists_arr[] = $specialist->name;
         }
     }
     return $specialists_arr;
 }